I will list the ones I can fully understand but an exhaustive list of all put-call indicators can be found here.
1. OPTION indicators
There's only one thing one should know before seeing the indicators below:
Global Options = Index options + Equity options
a. Global CBOE Put Call ratio (available for free at stockcharts.com as $CPC).
b. CBOE Options Equity Put Call ratio ( also available at stockcharts.com as $CPCE )
c. CBOE Index Options Pub Call ratio (see $CPCI at stockcharts.com or market-harmonics.com)
2. LEAPS indicators
To find out more about LEAPS please visit this link.
There's only one indicator based on LEAPS and that is : LEAPS put call ratio. The only free source for daily charts of this indicator is market-harmonics.com
